uplcom.c revision 1.82
1 /* $NetBSD: uplcom.c,v 1.82 2019/05/05 03:17:54 mrg Exp $ */ 2 /* 3 * Copyright (c) 2001 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Ichiro FUKUHARA (ichiro (at) ichiro.org). 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* 32 * General information: http://www.prolific.com.tw/fr_pl2303.htm 33 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.82 2019/05/05 03:17:54 mrg Exp $"); 38 39 #ifdef _KERNEL_OPT 40 #include "opt_usb.h" 41 #endif 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/kernel.h> 46 #include <sys/kmem.h> 47 #include <sys/ioctl.h> 48 #include <sys/conf.h> 49 #include <sys/tty.h> 50 #include <sys/file.h> 51 #include <sys/select.h> 52 #include <sys/proc.h> 53 #include <sys/device.h> 54 #include <sys/poll.h> 55 56 #include <dev/usb/usb.h> 57 #include <dev/usb/usbcdc.h> 58 59 #include <dev/usb/usbdi.h> 60 #include <dev/usb/usbdi_util.h> 61 #include <dev/usb/usbdevs.h> 62 #include <dev/usb/usb_quirks.h> 63 64 #include <dev/usb/ucomvar.h> 65 66 #ifdef UPLCOM_DEBUG 67 #define DPRINTFN(n, x) if (uplcomdebug > (n)) printf x 68 int uplcomdebug = 0; 69 #else 70 #define DPRINTFN(n, x) 71 #endif 72 #define DPRINTF(x) DPRINTFN(0, x) 73 74 #define UPLCOM_CONFIG_INDEX 0 75 #define UPLCOM_IFACE_INDEX 0 76 #define UPLCOM_SECOND_IFACE_INDEX 1 77 78 #define UPLCOM_SET_REQUEST 0x01 79 #define UPLCOM_SET_CRTSCTS_0 0x41 80 #define UPLCOM_SET_CRTSCTS_HX 0x61 81 82 #define UPLCOM_N_SERIAL_CTS 0x80 83 84 enum pl2303_type { 85 UPLCOM_TYPE_0, /* we use this for all non-HX variants */ 86 UPLCOM_TYPE_HX, 87 }; 88 89 struct uplcom_softc { 90 device_t sc_dev; /* base device */ 91 struct usbd_device * sc_udev; /* USB device */ 92 struct usbd_interface * sc_iface; /* interface */ 93 int sc_iface_number; /* interface number */ 94 95 struct usbd_interface * sc_intr_iface; /* interrupt interface */ 96 int sc_intr_number; /* interrupt number */ 97 struct usbd_pipe * sc_intr_pipe; /* interrupt pipe */ 98 u_char *sc_intr_buf; /* interrupt buffer */ 99 int sc_isize; 100 101 usb_cdc_line_state_t sc_line_state; /* current line state */ 102 int sc_dtr; /* current DTR state */ 103 int sc_rts; /* current RTS state */ 104 105 device_t sc_subdev; /* ucom device */ 106 107 u_char sc_dying; /* disconnecting */ 108 109 u_char sc_lsr; /* Local status register */ 110 u_char sc_msr; /* uplcom status register */ 111 112 enum pl2303_type sc_type; /* PL2303 chip type */ 113 }; 114 115 /* 116 * These are the maximum number of bytes transferred per frame. 117 * The output buffer size cannot be increased due to the size encoding. 118 */ 119 #define UPLCOMIBUFSIZE 256 120 #define UPLCOMOBUFSIZE 256 121 122 Static usbd_status uplcom_reset(struct uplcom_softc *); 123 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *, 124 usb_cdc_line_state_t *); 125 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 126 Static void uplcom_intr(struct usbd_xfer *, void *, usbd_status); 127 128 Static void uplcom_set(void *, int, int, int); 129 Static void uplcom_dtr(struct uplcom_softc *, int); 130 Static void uplcom_rts(struct uplcom_softc *, int); 131 Static void uplcom_break(struct uplcom_softc *, int); 132 Static void uplcom_set_line_state(struct uplcom_softc *); 133 Static void uplcom_get_status(void *, int, u_char *, u_char *); 134 #if TODO 135 Static int uplcom_ioctl(void *, int, u_long, void *, int, proc_t *); 136 #endif 137 Static int uplcom_param(void *, int, struct termios *); 138 Static int uplcom_open(void *, int); 139 Static void uplcom_close(void *, int); 140 Static usbd_status uplcom_vendor_control_write(struct usbd_device *, uint16_t, uint16_t); 141 142 struct ucom_methods uplcom_methods = { 143 .ucom_get_status = uplcom_get_status, 144 .ucom_set = uplcom_set, 145 .ucom_param = uplcom_param, 146 .ucom_ioctl = NULL, /* TODO */ 147 .ucom_open = uplcom_open, 148 .ucom_close = uplcom_close, 149 }; 150 151 static const struct usb_devno uplcom_devs[] = { 152 /* I/O DATA USB-RSAQ2 */ 153 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 154 /* I/O DATA USB-RSAQ3 */ 155 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, 156 /* I/O DATA USB-RSAQ */ 157 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 158 /* I/O DATA USB-RSAQ5 */ 159 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 160 /* PLANEX USB-RS232 URS-03 */ 161 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 162 /* various */ 163 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 164 /* SMART Technologies USB to serial */ 165 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 166 /* IOGEAR/ATENTRIPPLITE */ 167 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 168 /* ELECOM UC-SGT */ 169 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 170 /* ELECOM UC-SGT0 */ 171 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 172 /* Panasonic 50" Touch Panel */ 173 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 174 /* RATOC REX-USB60 */ 175 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 176 /* TDK USB-PHS Adapter UHA6400 */ 177 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 178 /* TDK USB-PDC Adapter UPA9664 */ 179 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 180 /* Sony Ericsson USB Cable */ 181 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 182 /* SOURCENEXT KeikaiDenwa 8 */ 183 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 184 /* SOURCENEXT KeikaiDenwa 8 with charger */ 185 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 186 /* HAL Corporation Crossam2+USB */ 187 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 188 /* Sitecom USB to serial cable */ 189 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 190 /* Pharos USB GPS - Microsoft version */ 191 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 192 /* Willcom WS002IN (DD) */ 193 { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN }, 194 /* COREGA CG-USBRS232R */ 195 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGUSBRS232R }, 196 /* Sharp CE-175TU (USB to Zaurus option port 15 adapter) */ 197 { USB_VENDOR_SHARP, USB_PRODUCT_SHARP_CE175TU }, 198 }; 199 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 200 201 int uplcom_match(device_t, cfdata_t, void *); 202 void uplcom_attach(device_t, device_t, void *); 203 void uplcom_childdet(device_t, device_t); 204 int uplcom_detach(device_t, int); 205 int uplcom_activate(device_t, enum devact); 206 207 CFATTACH_DECL2_NEW(uplcom, sizeof(struct uplcom_softc), uplcom_match, 208 uplcom_attach, uplcom_detach, uplcom_activate, NULL, uplcom_childdet); 209 210 int 211 uplcom_match(device_t parent, cfdata_t match, void *aux) 212 { 213 struct usb_attach_arg *uaa = aux; 214 215 return uplcom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 216 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 217 } 218 219 void 220 uplcom_attach(device_t parent, device_t self, void *aux) 221 { 222 struct uplcom_softc *sc = device_private(self); 223 struct usb_attach_arg *uaa = aux; 224 struct usbd_device *dev = uaa->uaa_device; 225 usb_device_descriptor_t *ddesc; 226 usb_config_descriptor_t *cdesc; 227 usb_interface_descriptor_t *id; 228 usb_endpoint_descriptor_t *ed; 229 char *devinfop; 230 const char *devname = device_xname(self); 231 usbd_status err; 232 int i; 233 struct ucom_attach_args ucaa; 234 235 sc->sc_dev = self; 236 237 aprint_naive("\n"); 238 aprint_normal("\n"); 239 240 devinfop = usbd_devinfo_alloc(dev, 0); 241 aprint_normal_dev(self, "%s\n", devinfop); 242 usbd_devinfo_free(devinfop); 243 244 sc->sc_udev = dev; 245 246 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 247 248 /* initialize endpoints */ 249 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 250 sc->sc_intr_number = -1; 251 sc->sc_intr_pipe = NULL; 252 253 /* Move the device into the configured state. */ 254 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 255 if (err) { 256 aprint_error("\n%s: failed to set configuration, err=%s\n", 257 devname, usbd_errstr(err)); 258 sc->sc_dying = 1; 259 return; 260 } 261 262 /* determine chip type */ 263 ddesc = usbd_get_device_descriptor(dev); 264 if (ddesc->bDeviceClass != UDCLASS_COMM && 265 ddesc->bMaxPacketSize == 0x40) 266 sc->sc_type = UPLCOM_TYPE_HX; 267 268 #ifdef UPLCOM_DEBUG 269 /* print the chip type */ 270 if (sc->sc_type == UPLCOM_TYPE_HX) { 271 DPRINTF(("uplcom_attach: chiptype HX\n")); 272 } else { 273 DPRINTF(("uplcom_attach: chiptype 0\n")); 274 } 275 #endif 276 277 /* Move the device into the configured state. */ 278 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 279 if (err) { 280 aprint_error_dev(self, "failed to set configuration: %s\n", 281 usbd_errstr(err)); 282 sc->sc_dying = 1; 283 return; 284 } 285 286 /* get the config descriptor */ 287 cdesc = usbd_get_config_descriptor(sc->sc_udev); 288 289 if (cdesc == NULL) { 290 aprint_error_dev(self, 291 "failed to get configuration descriptor\n"); 292 sc->sc_dying = 1; 293 return; 294 } 295 296 /* get the (first/common) interface */ 297 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 298 &sc->sc_iface); 299 if (err) { 300 aprint_error("\n%s: failed to get interface, err=%s\n", 301 devname, usbd_errstr(err)); 302 sc->sc_dying = 1; 303 return; 304 } 305 306 /* Find the interrupt endpoints */ 307 308 id = usbd_get_interface_descriptor(sc->sc_iface); 309 sc->sc_iface_number = id->bInterfaceNumber; 310 311 for (i = 0; i < id->bNumEndpoints; i++) { 312 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 313 if (ed == NULL) { 314 aprint_error_dev(self, 315 "no endpoint descriptor for %d\n", i); 316 sc->sc_dying = 1; 317 return; 318 } 319 320 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 321 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 322 sc->sc_intr_number = ed->bEndpointAddress; 323 sc->sc_isize = UGETW(ed->wMaxPacketSize); 324 } 325 } 326 327 if (sc->sc_intr_number== -1) { 328 aprint_error_dev(self, "Could not find interrupt in\n"); 329 sc->sc_dying = 1; 330 return; 331 } 332 333 /* keep interface for interrupt */ 334 sc->sc_intr_iface = sc->sc_iface; 335 336 /* 337 * USB-RSAQ1 has two interface 338 * 339 * USB-RSAQ1 | USB-RSAQ2 340 * -----------------+----------------- 341 * Interface 0 |Interface 0 342 * Interrupt(0x81) | Interrupt(0x81) 343 * -----------------+ BulkIN(0x02) 344 * Interface 1 | BulkOUT(0x83) 345 * BulkIN(0x02) | 346 * BulkOUT(0x83) | 347 */ 348 if (cdesc->bNumInterface == 2) { 349 err = usbd_device2interface_handle(dev, 350 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 351 if (err) { 352 aprint_error("\n%s: failed to get second interface, " 353 "err=%s\n", devname, usbd_errstr(err)); 354 sc->sc_dying = 1; 355 return; 356 } 357 } 358 359 /* Find the bulk{in,out} endpoints */ 360 361 id = usbd_get_interface_descriptor(sc->sc_iface); 362 sc->sc_iface_number = id->bInterfaceNumber; 363 364 for (i = 0; i < id->bNumEndpoints; i++) { 365 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 366 if (ed == NULL) { 367 aprint_error_dev(self, 368 "no endpoint descriptor for %d\n", i); 369 sc->sc_dying = 1; 370 return; 371 } 372 373 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 374 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 375 ucaa.ucaa_bulkin = ed->bEndpointAddress; 376 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 377 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 378 ucaa.ucaa_bulkout = ed->bEndpointAddress; 379 } 380 } 381 382 if (ucaa.ucaa_bulkin == -1) { 383 aprint_error_dev(self, "Could not find data bulk in\n"); 384 sc->sc_dying = 1; 385 return; 386 } 387 388 if (ucaa.ucaa_bulkout == -1) { 389 aprint_error_dev(self, "Could not find data bulk out\n"); 390 sc->sc_dying = 1; 391 return; 392 } 393 394 sc->sc_dtr = sc->sc_rts = -1; 395 ucaa.ucaa_portno = UCOM_UNK_PORTNO; 396 /* ucaa_bulkin, ucaa_bulkout set above */ 397 ucaa.ucaa_ibufsize = UPLCOMIBUFSIZE; 398 ucaa.ucaa_obufsize = UPLCOMOBUFSIZE; 399 ucaa.ucaa_ibufsizepad = UPLCOMIBUFSIZE; 400 ucaa.ucaa_opkthdrlen = 0; 401 ucaa.ucaa_device = dev; 402 ucaa.ucaa_iface = sc->sc_iface; 403 ucaa.ucaa_methods = &uplcom_methods; 404 ucaa.ucaa_arg = sc; 405 ucaa.ucaa_info = NULL; 406 407 err = uplcom_reset(sc); 408 409 if (err) { 410 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 411 sc->sc_dying = 1; 412 return; 413 } 414 415 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 416 417 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 418 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number )); 419 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &ucaa, 420 ucomprint, ucomsubmatch); 421 422 if (!pmf_device_register(self, NULL, NULL)) 423 aprint_error_dev(self, "couldn't establish power handler\n"); 424 425 return; 426 } 427 428 void 429 uplcom_childdet(device_t self, device_t child) 430 { 431 struct uplcom_softc *sc = device_private(self); 432 433 KASSERT(sc->sc_subdev == child); 434 sc->sc_subdev = NULL; 435 } 436 437 int 438 uplcom_detach(device_t self, int flags) 439 { 440 struct uplcom_softc *sc = device_private(self); 441 int rv = 0; 442 443 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 444 445 if (sc->sc_intr_pipe != NULL) { 446 usbd_abort_pipe(sc->sc_intr_pipe); 447 usbd_close_pipe(sc->sc_intr_pipe); 448 kmem_free(sc->sc_intr_buf, sc->sc_isize); 449 sc->sc_intr_pipe = NULL; 450 } 451 452 sc->sc_dying = 1; 453 if (sc->sc_subdev != NULL) 454 rv = config_detach(sc->sc_subdev, flags); 455 456 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 457 458 if (rv == 0) 459 pmf_device_deregister(self); 460 461 return rv; 462 } 463 464 int 465 uplcom_activate(device_t self, enum devact act) 466 { 467 struct uplcom_softc *sc = device_private(self); 468 469 switch (act) { 470 case DVACT_DEACTIVATE: 471 sc->sc_dying = 1; 472 return 0; 473 default: 474 return EOPNOTSUPP; 475 } 476 } 477 478 usbd_status 479 uplcom_reset(struct uplcom_softc *sc) 480 { 481 usb_device_request_t req; 482 usbd_status err; 483 484 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 485 req.bRequest = UPLCOM_SET_REQUEST; 486 USETW(req.wValue, 0); 487 USETW(req.wIndex, sc->sc_iface_number); 488 USETW(req.wLength, 0); 489 490 err = usbd_do_request(sc->sc_udev, &req, 0); 491 if (err) 492 return EIO; 493 494 return 0; 495 } 496 497 struct pl2303x_init { 498 uint8_t req_type; 499 uint8_t request; 500 uint16_t value; 501 uint16_t index; 502 }; 503 504 static const struct pl2303x_init pl2303x[] = { 505 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, 506 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0 }, 507 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, 508 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 }, 509 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, 510 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1 }, 511 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, 512 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 }, 513 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1 }, 514 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0 }, 515 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44 } 516 }; 517 #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) 518 519 static usbd_status 520 uplcom_pl2303x_init(struct uplcom_softc *sc) 521 { 522 usb_device_request_t req; 523 usbd_status err; 524 int i; 525 526 for (i = 0; i < N_PL2302X_INIT; i++) { 527 char buf[1]; 528 void *b; 529 530 req.bmRequestType = pl2303x[i].req_type; 531 req.bRequest = pl2303x[i].request; 532 USETW(req.wValue, pl2303x[i].value); 533 USETW(req.wIndex, pl2303x[i].index); 534 if (UT_GET_DIR(req.bmRequestType) == UT_READ) { 535 b = buf; 536 USETW(req.wLength, sizeof(buf)); 537 } else { 538 b = NULL; 539 USETW(req.wLength, 0); 540 } 541 542 err = usbd_do_request(sc->sc_udev, &req, b); 543 if (err) { 544 aprint_error_dev(sc->sc_dev, 545 "uplcom_pl2303x_init failed: %s\n", 546 usbd_errstr(err)); 547 return EIO; 548 } 549 } 550 551 return 0; 552 } 553 554 void 555 uplcom_set_line_state(struct uplcom_softc *sc) 556 { 557 usb_device_request_t req; 558 int ls; 559 560 /* make sure we have initialized state for sc_dtr and sc_rts */ 561 if (sc->sc_dtr == -1) 562 sc->sc_dtr = 0; 563 if (sc->sc_rts == -1) 564 sc->sc_rts = 0; 565 566 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 567 (sc->sc_rts ? UCDC_LINE_RTS : 0); 568 569 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 570 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 571 USETW(req.wValue, ls); 572 USETW(req.wIndex, sc->sc_iface_number); 573 USETW(req.wLength, 0); 574 575 (void)usbd_do_request(sc->sc_udev, &req, 0); 576 } 577 578 void 579 uplcom_set(void *addr, int portno, int reg, int onoff) 580 { 581 struct uplcom_softc *sc = addr; 582 583 switch (reg) { 584 case UCOM_SET_DTR: 585 uplcom_dtr(sc, onoff); 586 break; 587 case UCOM_SET_RTS: 588 uplcom_rts(sc, onoff); 589 break; 590 case UCOM_SET_BREAK: 591 uplcom_break(sc, onoff); 592 break; 593 default: 594 break; 595 } 596 } 597 598 void 599 uplcom_dtr(struct uplcom_softc *sc, int onoff) 600 { 601 602 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 603 604 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 605 return; 606 607 sc->sc_dtr = !!onoff; 608 609 uplcom_set_line_state(sc); 610 } 611 612 void 613 uplcom_rts(struct uplcom_softc *sc, int onoff) 614 { 615 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 616 617 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 618 return; 619 620 sc->sc_rts = !!onoff; 621 622 uplcom_set_line_state(sc); 623 } 624 625 void 626 uplcom_break(struct uplcom_softc *sc, int onoff) 627 { 628 usb_device_request_t req; 629 630 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 631 632 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 633 req.bRequest = UCDC_SEND_BREAK; 634 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 635 USETW(req.wIndex, sc->sc_iface_number); 636 USETW(req.wLength, 0); 637 638 (void)usbd_do_request(sc->sc_udev, &req, 0); 639 } 640 641 usbd_status 642 uplcom_set_crtscts(struct uplcom_softc *sc) 643 { 644 usb_device_request_t req; 645 usbd_status err; 646 647 DPRINTF(("uplcom_set_crtscts: on\n")); 648 649 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 650 req.bRequest = UPLCOM_SET_REQUEST; 651 USETW(req.wValue, 0); 652 if (sc->sc_type == UPLCOM_TYPE_HX) 653 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 654 else 655 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 656 USETW(req.wLength, 0); 657 658 err = usbd_do_request(sc->sc_udev, &req, 0); 659 if (err) { 660 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 661 usbd_errstr(err))); 662 return err; 663 } 664 665 return USBD_NORMAL_COMPLETION; 666 } 667 668 usbd_status 669 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 670 { 671 usb_device_request_t req; 672 usbd_status err; 673 674 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 675 UGETDW(state->dwDTERate), state->bCharFormat, 676 state->bParityType, state->bDataBits)); 677 678 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 679 DPRINTF(("uplcom_set_line_coding: already set\n")); 680 return USBD_NORMAL_COMPLETION; 681 } 682 683 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 684 req.bRequest = UCDC_SET_LINE_CODING; 685 USETW(req.wValue, 0); 686 USETW(req.wIndex, sc->sc_iface_number); 687 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 688 689 err = usbd_do_request(sc->sc_udev, &req, state); 690 if (err) { 691 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 692 usbd_errstr(err))); 693 return err; 694 } 695 696 sc->sc_line_state = *state; 697 698 return USBD_NORMAL_COMPLETION; 699 } 700 701 int 702 uplcom_param(void *addr, int portno, struct termios *t) 703 { 704 struct uplcom_softc *sc = addr; 705 usbd_status err; 706 usb_cdc_line_state_t ls; 707 708 DPRINTF(("uplcom_param: sc=%p\n", sc)); 709 710 USETDW(ls.dwDTERate, t->c_ospeed); 711 if (ISSET(t->c_cflag, CSTOPB)) 712 ls.bCharFormat = UCDC_STOP_BIT_2; 713 else 714 ls.bCharFormat = UCDC_STOP_BIT_1; 715 if (ISSET(t->c_cflag, PARENB)) { 716 if (ISSET(t->c_cflag, PARODD)) 717 ls.bParityType = UCDC_PARITY_ODD; 718 else 719 ls.bParityType = UCDC_PARITY_EVEN; 720 } else 721 ls.bParityType = UCDC_PARITY_NONE; 722 switch (ISSET(t->c_cflag, CSIZE)) { 723 case CS5: 724 ls.bDataBits = 5; 725 break; 726 case CS6: 727 ls.bDataBits = 6; 728 break; 729 case CS7: 730 ls.bDataBits = 7; 731 break; 732 case CS8: 733 ls.bDataBits = 8; 734 break; 735 } 736 737 err = uplcom_set_line_coding(sc, &ls); 738 if (err) { 739 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 740 return EIO; 741 } 742 743 if (ISSET(t->c_cflag, CRTSCTS)) 744 uplcom_set_crtscts(sc); 745 746 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 747 uplcom_set_line_state(sc); 748 749 if (err) { 750 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 751 return EIO; 752 } 753 754 return 0; 755 } 756 757 Static usbd_status 758 uplcom_vendor_control_write(struct usbd_device *dev, uint16_t value, 759 uint16_t index) 760 { 761 usb_device_request_t req; 762 usbd_status err; 763 764 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 765 req.bRequest = UPLCOM_SET_REQUEST; 766 USETW(req.wValue, value); 767 USETW(req.wIndex, index); 768 USETW(req.wLength, 0); 769 770 err = usbd_do_request(dev, &req, NULL); 771 772 if (err) { 773 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 774 usbd_errstr(err), err)); 775 } 776 777 return err; 778 } 779 780 int 781 uplcom_open(void *addr, int portno) 782 { 783 struct uplcom_softc *sc = addr; 784 usbd_status err; 785 786 if (sc->sc_dying) 787 return EIO; 788 789 DPRINTF(("uplcom_open: sc=%p\n", sc)); 790 791 /* Some unknown device frobbing. */ 792 if (sc->sc_type == UPLCOM_TYPE_HX) 793 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 794 else 795 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 796 797 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 798 sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); 799 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 800 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 801 sc->sc_intr_buf, sc->sc_isize, 802 uplcom_intr, USBD_DEFAULT_INTERVAL); 803 if (err) { 804 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 805 device_xname(sc->sc_dev), sc->sc_intr_number)); 806 return EIO; 807 } 808 } 809 810 if (sc->sc_type == UPLCOM_TYPE_HX) 811 return uplcom_pl2303x_init(sc); 812 813 return 0; 814 } 815 816 void 817 uplcom_close(void *addr, int portno) 818 { 819 struct uplcom_softc *sc = addr; 820 int err; 821 822 if (sc->sc_dying) 823 return; 824 825 DPRINTF(("uplcom_close: close\n")); 826 827 if (sc->sc_intr_pipe != NULL) { 828 err = usbd_abort_pipe(sc->sc_intr_pipe); 829 if (err) 830 printf("%s: abort interrupt pipe failed: %s\n", 831 device_xname(sc->sc_dev), usbd_errstr(err)); 832 err = usbd_close_pipe(sc->sc_intr_pipe); 833 if (err) 834 printf("%s: close interrupt pipe failed: %s\n", 835 device_xname(sc->sc_dev), usbd_errstr(err)); 836 kmem_free(sc->sc_intr_buf, sc->sc_isize); 837 sc->sc_intr_pipe = NULL; 838 } 839 } 840 841 void 842 uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 843 { 844 struct uplcom_softc *sc = priv; 845 u_char *buf = sc->sc_intr_buf; 846 u_char pstatus; 847 848 if (sc->sc_dying) 849 return; 850 851 if (status != USBD_NORMAL_COMPLETION) { 852 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 853 return; 854 855 DPRINTF(("%s: abnormal status: %s\n", device_xname(sc->sc_dev), 856 usbd_errstr(status))); 857 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 858 return; 859 } 860 861 DPRINTF(("%s: uplcom status = %02x\n", device_xname(sc->sc_dev), 862 buf[8])); 863 864 sc->sc_lsr = sc->sc_msr = 0; 865 pstatus = buf[8]; 866 if (ISSET(pstatus, UPLCOM_N_SERIAL_CTS)) 867 sc->sc_msr |= UMSR_CTS; 868 if (ISSET(pstatus, UCDC_N_SERIAL_RI)) 869 sc->sc_msr |= UMSR_RI; 870 if (ISSET(pstatus, UCDC_N_SERIAL_DSR)) 871 sc->sc_msr |= UMSR_DSR; 872 if (ISSET(pstatus, UCDC_N_SERIAL_DCD)) 873 sc->sc_msr |= UMSR_DCD; 874 ucom_status_change(device_private(sc->sc_subdev)); 875 } 876 877 void 878 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 879 { 880 struct uplcom_softc *sc = addr; 881 882 DPRINTF(("uplcom_get_status:\n")); 883 884 *lsr = sc->sc_lsr; 885 *msr = sc->sc_msr; 886 } 887 888 #if TODO 889 int 890 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 891 proc_t *p) 892 { 893 struct uplcom_softc *sc = addr; 894 int error = 0; 895 896 if (sc->sc_dying) 897 return EIO; 898 899 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 900 901 switch (cmd) { 902 case TIOCNOTTY: 903 case TIOCMGET: 904 case TIOCMSET: 905 case USB_GET_CM_OVER_DATA: 906 case USB_SET_CM_OVER_DATA: 907 break; 908 909 default: 910 DPRINTF(("uplcom_ioctl: unknown\n")); 911 error = ENOTTY; 912 break; 913 } 914 915 return error; 916 } 917 #endif 918
Indexes created Sun Sep 28 16:09:52 GMT 2025